These great hollow globes of artificial super-metals, and artificial transparent adamant, ranged in size from the earliest and smallest structures, which were no bigger than a very small asteroid, to spheres considerably larger than the Earth. (Olaf Stapledon, STAR MAKER)
Thursday, November 6, 2014
In the Cave of the Night
Today's Astronomy Picture of the Day shows nebula Sh2-155 in the constellation of Cepheus. More popularly known as the Dave Nebula, the region is an active area of star formation and complex molecules.
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